The Viscosimeter,fuel, cataloged under National Stock Number 6630-01-249-4877, is classified within Federal Supply Class 6630 (Chemical Analysis Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6630-01-249-4877 |
| Primary Part Number | 28-32-3 |
| Item Name | Viscosimeter,fuel |
| FSC / FSG | 6630 / 66 — Chemical Analysis Instruments |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| General Characteristics Item Description | FLOW CAPACITY 2 TO 100GPM; MAXIMUM LINE PRESSURE 500PSI; VISCOSITY RANGE 0 TO 300SSU; ELECTRIC MOTOR 230VAC,3PH,60HZ,1/20HP TEFC; PRESSURE DROP APPROXIMATELY 1PSI AT MAXIMUM FLOW RATE FOR VISCOSITIES UP TO 600 SSU VAC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 6630-01-249-4877 is a Viscosimeter,fuel, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 6630, Chemical Analysis Instruments. Status: active.
NSN 6630-01-249-4877 has 2 manufacturer part numbers on file: 28-32-3 (Leslie Controls, Inc. Dba Leslie Controls Inc), 2832-AQA (Leslie Controls, Inc. Dba Leslie Controls Inc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-274-6705. Verify interchangeability with system specifications before substitution.
Key specifications for 28-32-3: General Characteristics Item Description: FLOW CAPACITY 2 TO 100GPM; MAXIMUM LINE PRESSURE 500PSI; VISCOSITY RANGE 0 TO 300SSU; ELECTRIC MOTOR 230VAC,3PH,60HZ,1/20HP TEFC; PRESSURE DROP APPROXIMATELY 1PSI AT MAXIMUM FLOW RATE FOR VISCOSITIES UP TO 600 SSU VAC. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.